Buggy code:
public class MySQLInstance extends DBSchemafulInstance { Connection conn ; PreparedStatement pstInsert ; PreparedStatement pstUpdate ; PreparedStatement pstDelete ; int debug = 0 ; private final String PREFIX = "_" ; private final String KEY = "rkey" ; private final String VALUE = "cf" ; private final String SYSTEM = "system" ; private final String SETPR = "set_row" ; private final String GETPR = "get_row" ; private final String RANGEPR = "range_get_row" ; private final String BINARY = "BINARY" ; private final String BLOB = "BLOB" ; private String insertSt ; private String setSt ; private String getSt ; private String rangeSt ; private String deleteSt ; private String truncateSt ; private String dropTableSt ; private String dropDBSt ; private String createDBSt ; private String getPr ; private String setPr ; private String rangePr ; String bsql ; public MySQLInstance ( String ksName , String cfName ) { } private void setStatementDefinition ( ) { insertSt = ( ( ( ( ( ( ( "INSERT<seq2seq4repair_space>INTO<seq2seq4repair_space>" + ( this . cfName ) ) + "<seq2seq4repair_space>(" ) + ( KEY ) ) + ",<seq2seq4repair_space>" ) + ( VALUE ) ) + ")<seq2seq4repair_space>VALUES<seq2seq4repair_space>(?,?)<seq2seq4repair_space>ON<seq2seq4repair_space>DUPLICATE<seq2seq4repair_space>KEY<seq2seq4repair_space>UPDATE<seq2seq4repair_space>" ) + ( VALUE ) ) + "<seq2seq4repair_space>=<seq2seq4repair_space>?" ; setSt = ( ! ( this . ksName . equals ( SYSTEM ) ) ) ? ( ( "CALL<seq2seq4repair_space>" + ( SETPR ) ) + ( this . cfName ) ) + "(?,?)" : ( ( ( ( ( "UPDATE<seq2seq4repair_space>" + ( this . cfName ) ) + "<seq2seq4repair_space>SET<seq2seq4repair_space>" ) + ( VALUE ) ) + "<seq2seq4repair_space>=<seq2seq4repair_space>?<seq2seq4repair_space>WHERE<seq2seq4repair_space>" ) + ( KEY ) ) + "<seq2seq4repair_space>=<seq2seq4repair_space>?" ; getSt = ( ! ( this . ksName . equals ( SYSTEM ) ) ) ? ( ( "CALL<seq2seq4repair_space>" + ( GETPR ) ) + ( this . cfName ) ) + "(?)" : ( ( ( ( ( "SELECT<seq2seq4repair_space>" + ( VALUE ) ) + "<seq2seq4repair_space>FROM<seq2seq4repair_space>" ) + ( this . cfName ) ) + "<seq2seq4repair_space>WHERE<seq2seq4repair_space>" ) + ( KEY ) ) + "<seq2seq4repair_space>=<seq2seq4repair_space>?" ; rangeSt = ( ! ( this . ksName . equals ( SYSTEM ) ) ) ? ( ( "CALL<seq2seq4repair_space>" + ( RANGEPR ) ) + ( this . cfName ) ) + "(?,?,?)" : ( ( ( ( ( ( ( ( ( "SELECT<seq2seq4repair_space>" + ( KEY ) ) + ",<seq2seq4repair_space>" ) + ( VALUE ) ) + "<seq2seq4repair_space>FROM<seq2seq4repair_space>" ) + ( this . cfName ) ) + "<seq2seq4repair_space>WHERE<seq2seq4repair_space>" ) + ( KEY ) ) + "<seq2seq4repair_space>>=<seq2seq4repair_space>?<seq2seq4repair_space>AND<seq2seq4repair_space>" ) + ( KEY ) ) + "<seq2seq4repair_space><<seq2seq4repair_space>?<seq2seq4repair_space>LIMIT<seq2seq4repair_space>?" ; deleteSt = ( ( ( "DELETE<seq2seq4repair_space>FROM<seq2seq4repair_space>" + ( this . cfName ) ) + "<seq2seq4repair_space>WHERE<seq2seq4repair_space>" ) + ( KEY ) ) + "<seq2seq4repair_space>=<seq2seq4repair_space>?" ; truncateSt = "TRUNCATE<seq2seq4repair_space>TABLE<seq2seq4repair_space>" + ( this . cfName ) ; dropTableSt = "DROP<seq2seq4repair_space>TABLE<seq2seq4repair_space>IF<seq2seq4repair_space>EXISTS<seq2seq4repair_space>" + ( this . cfName ) ; dropDBSt = "DROP<seq2seq4repair_space>DATABASE<seq2seq4repair_space>IF<seq2seq4repair_space>EXISTS<seq2seq4repair_space>" + ( this . ksName ) ; <START_BUG> createDBSt = "CREATE<seq2seq4repair_space>DATABASE<seq2seq4repair_space>IF<seq2seq4repair_space>EXISTS<seq2seq4repair_space>" + ( this . ksName ) ; <END_BUG> setPr = ( ( ( ( ( ( ( ( "CREATE<seq2seq4repair_space>PROCEDURE<seq2seq4repair_space>" + ( SETPR ) ) + ( this . cfName ) ) + "(IN<seq2seq4repair_space>cfval<seq2seq4repair_space>VARBINARY(?),IN<seq2seq4repair_space>id<seq2seq4repair_space>VARCHAR(?))<seq2seq4repair_space>BEGIN<seq2seq4repair_space>UPDATE<seq2seq4repair_space>" ) + ( this . cfName ) ) + "<seq2seq4repair_space>SET<seq2seq4repair_space>" ) + ( VALUE ) ) + "<seq2seq4repair_space>=<seq2seq4repair_space>cfval<seq2seq4repair_space>WHERE<seq2seq4repair_space>" ) + ( KEY ) ) + "<seq2seq4repair_space>=<seq2seq4repair_space>id;<seq2seq4repair_space>END" ; getPr = ( ( ( ( ( ( ( ( "CREATE<seq2seq4repair_space>PROCEDURE<seq2seq4repair_space>" + ( GETPR ) ) + ( this . cfName ) ) + "(IN<seq2seq4repair_space>id<seq2seq4repair_space>VARCHAR(?))<seq2seq4repair_space>BEGIN<seq2seq4repair_space>SELECT<seq2seq4repair_space>" ) + ( VALUE ) ) + "<seq2seq4repair_space>FROM<seq2seq4repair_space>" ) + ( this . cfName ) ) + "<seq2seq4repair_space>WHERE<seq2seq4repair_space>" ) + ( KEY ) ) + "<seq2seq4repair_space>=<seq2seq4repair_space>id;<seq2seq4repair_space>END" ; rangePr = ( ( ( ( ( ( ( ( ( ( ( ( "CREATE<seq2seq4repair_space>PROCEDURE<seq2seq4repair_space>" + ( RANGEPR ) ) + ( this . cfName ) ) + "(IN<seq2seq4repair_space>begin<seq2seq4repair_space>VARCHAR(?),IN<seq2seq4repair_space>end<seq2seq4repair_space>VARCHAR(?),IN<seq2seq4repair_space>limitNum<seq2seq4repair_space>INT)<seq2seq4repair_space>BEGIN<seq2seq4repair_space>SET<seq2seq4repair_space>SQL_SELECT_LIMIT<seq2seq4repair_space>=<seq2seq4repair_space>limitNum;<seq2seq4repair_space>SELECT<seq2seq4repair_space>" ) + ( KEY ) ) + "," ) + ( VALUE ) ) + "<seq2seq4repair_space>FROM<seq2seq4repair_space>" ) + ( this . cfName ) ) + "<seq2seq4repair_space>WHERE<seq2seq4repair_space>" ) + ( KEY ) ) + "<seq2seq4repair_space>>=<seq2seq4repair_space>begin<seq2seq4repair_space>AND<seq2seq4repair_space>" ) + ( KEY ) ) + "<<seq2seq4repair_space>end;<seq2seq4repair_space>END" ; } private String getCreateSt ( String statement ) { } private int NonAutoCommit ( ) { } public int insert ( String rowKey , ColumnFamily cf ) { } public int update ( String rowKey , ColumnFamily newcf ) { } public byte [ ] select ( String rowKey ) { } public Map < ByteBuffer , ColumnFamily > getRangeSlice ( DecoratedKey startWith , DecoratedKey stopAt , int maxResults ) { } public synchronized int delete ( String rowKey ) { } public synchronized int truncate ( ) { } public synchronized int dropTable ( ) { } public synchronized int dropDB ( ) { } public synchronized int createDB ( ) { } public synchronized int create ( int rowKeySize , int columnFamilySize , String storageSize , String storageEngine ) { } private PreparedStatement getCreatePreparedSt ( int rowKeySize , int columnFamilySize , String storageSize , String storageEngine ) { } public synchronized int createProcedure ( int rowKeySize , int columnFamilySize ) { } private synchronized int doInsert ( String rowKey , byte [ ] cfValue ) throws SQLException { } private synchronized int doUpdate ( String rowKey , byte [ ] cfValue ) throws SQLException { } }

Fix:
createDBSt = "CREATE<seq2seq4repair_space>DATABASE<seq2seq4repair_space>IF<seq2seq4repair_space>NOT<seq2seq4repair_space>EXISTS<seq2seq4repair_space>" + ( this . ksName ) ;